1 files changed, 3 insertions, 0 deletions
diff --git a/theme-compiler/src/com/vaadin/sass/internal/tree/MediaNode.java b/theme-compiler/src/com/vaadin/sass/internal/tree/MediaNode.java
index 238d5008bd..34d8ccbf7d 100644
--- a/theme-compiler/src/com/vaadin/sass/internal/tree/MediaNode.java
+++ b/theme-compiler/src/com/vaadin/sass/internal/tree/MediaNode.java
@@ -41,6 +41,9 @@ public class MediaNode extends Node {
         StringBuilder builder = new StringBuilder("@media ");
         if (media != null) {
             for (int i = 0; i < media.getLength(); i++) {
+                if (i > 0) {
+                    builder.append(", ");
+                }
                 builder.append(media.item(i));
             }
         }